Oregon Revised Statutes Utility Regulation § 759.400

(1) “Basic telephone service” means local exchange telecommunications service defined as basic by rule of the Public Utility Commission.

(2) “Retail telecommunications service” means a telecommunications service provided for a fee to customers. “Retail telecommunications service” does not include a service provided by one telecommunications carrier to another telecommunications carrier, unless the carrier receiving the service is the end user of the service.

(3) “Telecommunications carrier” means any provider of retail telecommunications services, except a call aggregator as defined in ORS 759.690.